Combined whipper and scraper for ice cream freezers



ERS

June 11, 1935. H. s. MILLS COMBINED WHIPPER AND SCRAPER FOR ICE CREAM FREEZ Filed Aug. 28, 193s llll III, "I 1 A ilif/zfah Patented June 11, 1935 2,004,446

UNITED STATES PATENT OFFICE COMBINED WHIPPER AND SORAPER FOR ICE CREAM FREEZERS Herbert S. Mills, River Forest, 11]., minor to Mills Novelty Company, Chicago, 11]., a corporation of Illinois Application August 28, 1933, Serial No. 687,097

8 Claims. (Cl. 259-9) This invention relates to ice-cream freezers aperture 29 therein having a keyway 3| at one and has for its principal object the provision of side'thereof adapted to receive a key 32 formed a combination whipper and scraper of improved on the rotatable element 25 whereby said frame and simplified construction combining in one is rotated when the motor 24 is energized. The part the functions of two or more separate elebars 21 are of arcuate form and, like the ring 5 ments of previous constructions and being so 26, conform to the inner surface of the cylinder designed as to make possible the removal of the i5 so that said frame may rotate freely therein. cream without withdrawing any ofthe mecha- Combined whipper and scraper blades 33 are nism from the freezer cylinder, the parts being secured to the inner sides of the bars 21 by means also particularly easy to clean. a of screws 34 extending through apertures 35 in 10 With these and other objects in view, which said blades. The rear edge of each of said blades W l pp r as he d rip i n proceeds, the inis turned inwardly at substantially a right angle vention resides in the combination and arrangeto provide a whipper element 36 extending toward y be made Within t Scope of W is Claimed, as a knife edge to provide a scraper element 31, wit out d p t from the Spirit Of the invenadapted to scrape the frozen or semi-solid cream tion. from the inner surface of the cylinder I5, thus 20 Ref n to the drawing: keeping the same in motion and facilitating the Fig. 1 is a sectional and elevational view, taken emptying of the cylinder, longitudinally, of an ice-cream fre zer q ipp Inasmuch as the usual center shaft and front with a m n w pper and scraper m ybearing are dispensed with the cream may be ing my invention; removed without taking out the whipper and 2 Fi 2 i a Perspective View Of the combined scraper structure. 7 Access may readily be had to whipper and Sc aper element; and the interior of the cylinder either for removing 3 is a transverse Section Of One Of the cream which may be frozen too hard to flow out blades thereof. of the outlet opening 22 or for cleaning the Upo sa d aw Which illustrates the best parts. Forathorough cleaning, the frame 23-48 30 reference character ll indicates the outer shell i t d i th ter thereof, it may be of ajreezer cylinder having end flanges l2 and easily d quickly cleaned.

l3, 2. rear end wall M; an inner cylinder l5 sur- The whipper and Seraper l t being 35 round d y an eccentric J' Providing an formed in one part, or being capable of such forenclosure for the freezing liquid, and a door l1 mation, may b tta hed t the bars 21 simply g d at t0 the Cylinder and having a by screws,asindicated at 34, or in other preferred lapp d J nt With the end d cylinder; being manner, and serve the double function above de- 40 adapted to be held closed by means of thumb r b d, the structure thu being greatly'simpli- 4 screws (not shown). Said door is provided with fled d being inexpensive to manufacture, as a fillin p nin av n a v r 2| d w well as durable and efiicient in operation. an outlet pening 22 normally closed by means It is thought that the invention and many of of a movabl Cl ur 7 its attendant advantages will be understood from At the rear of the freezercylinder there is a the f reg ing description, and it will be apparent 45 motor 24 adapted to drive a rotatable element that various changes may be made in the form,

25 through the rear end wall I 4 of the cylinder construction and arrangement of t parts t l5 fo e P p Of driving the pp a d out departing from the spirit and scope of the Said element c mpr ses a fram c nsisting f a vantages, the construction hereinbefore described 50 rin 2 having integral side bars 21 extending being merely a preferred embodiment thereof. rearwardly therefrom, said bars being connected I claim: at their rear ends by means of a cross connec-i 1, In a freezer, a combined whipper and tion 28 which may also be integral with said bars scraper comprising a rotatable unit including an and Said rin Sa d r n n has n angle member positioned adjacent the freezer 55 cylinder when the unit is inserted therein, said member having a blade adapted to contact with the cylinder wall to scrape the latter when the unit is rotated and a whipper element rigid with said scraper blade extending inwardly from said wall to whip the cream during such rotation.

2. In a freezer, a combined whipper and scraper comprising a rotatable unit including a one-piece angle member positioned adjacent the freezer cylinder when the unit is inserted therein, one part of said member forming a blade adapted to contact with the cylinder wall to scrape the latter when the unit is rotated and another part of said member forming a whipper element extending inwardly from said wall to whip the cream during such rotation.

3. In afreezer, a combined whipper and scraper comprising a rotatable unit including an angle member positioned adjacent the freezer cylinder when the unit is inserted therein, said member having a blade adapted to contact with the cylinder wall to scrape the latter when the unit is rotated and a whipper element rigid with said scraper blade extending inwardly from said wall to whip the cream during such rotation, said whipper element extending substantially at right angles to said blade.

4. In a freezer, a combined whipper and scraper comprising a rotatable unit including a plurality of angle members positioned adjacent the freezer cylinder when the unit is inserted therein, said members each having a blade adapted to contact with the cylinder wall to scrape the latter when the unit is rotated and a whipper element rigid with said scraper blade extending inwardly from said wall to whip the cream during such rota- 5. In a freezer, a combined whipper and scraper comprising a rotatable unit including an angle member positioned adjacent the freezer cylinder,

when the unit is inserted therein, said member having a blade adapted to contact with the cylinder wall to scrape the latter when the unit is rotated and a whipper element integral with said blade extending inwardly from said wall to whip the cream during such rotation.

6. In a freezer, a combined whipper and scraper comprising a rotatable unit including an angle member positioned adjacent the freezer cylinder when the unit is inserted therein, said member having a blade adapted to contact with the cylinder wall to scrape the latter when the unit is rotated and a whipper element integral with said blade extending inwardly from said wall to whip the cream during such rotation, said whipper element extending substantially at right angles to said blade.

'7. In a freezer, a combined whipper and scraper comprising a rotatable unit including a plurality of angle members positioned adjacent the freezer cylinder when the unit is inserted therein, said members each having a blade adapted to contact with the cylinder wall to scrape the latter when the unit is rotated and a whipper element integral with said blade extending inwardly from said wall to whip the cream during such rotation.

8. In a freezer, the combination with a freezer cylinder of a combined whipping and scraping device mounted for rotation in the cylinder, the scraper element of said device being positioned adjacent the circumferential wall of the cylinder and the whipper element of the device extended from said scraper element toward the center of the cylinder, the cylinder having an open and unobstructed space at the center thereof to facilitate removal of the frozen material.

HERBERT S HUI-LS. 

